181135739677804 has 48 divisors (see below), whose sum is σ = 322232500961280. Its totient is φ = 89078575622400.

The previous prime is 181135739677787. The next prime is 181135739677811. The reversal of 181135739677804 is 408776937531181.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121833399 + ... + 123311185.

It is an arithmetic number, because the mean of its divisors is an integer number (6713177103360).

Almost surely, 2^{181135739677804} is an apocalyptic number.

It is an amenable number.

181135739677804 is a deficient number, since it is larger than the sum of its proper divisors (141096761283476).

181135739677804 is a wasteful number, since it uses less digits than its factorization.

181135739677804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479358 (or 1479356 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 70.

The spelling of 181135739677804 in words is "one hundred eighty-one trillion, one hundred thirty-five billion, seven hundred thirty-nine million, six hundred seventy-seven thousand, eight hundred four".